{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:50.666610", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2018-Aug-05_to_2018-Aug-09_56.0_19.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2018080001719}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "August 05 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 165440.6865514885}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Oman", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 19.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 56.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "56.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 52.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.0, 21.25], [56.25, 21.15], [56.32, 21.18], [56.47, 21.53], [56.82, 21.68], [56.97, 22.03], [57.5, 22.25], [58.03, 22.03], [58.25, 21.5], [58.15, 21.25], [58.25, 21.0], [58.03, 20.47], [57.5, 20.25], [57.25, 20.35], [57.18, 20.32], [57.03, 19.97], [56.68, 19.82], [56.53, 19.47], [56.0, 19.25], [55.47, 19.47], [55.25, 20.0], [55.35, 20.25], [55.25, 20.5], [55.47, 21.03], [56.0, 21.25]]], [[[58.47, 21.97], [58.25, 22.5], [58.47, 23.03], [59.0, 23.25], [59.53, 23.03], [59.75, 22.5], [59.53, 21.97], [59.0, 21.75], [58.47, 21.97]]]]}, "2018-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, 20.03], [54.0, 20.25], [54.3, 20.13], [54.47, 20.53], [54.82, 20.68], [54.97, 21.03], [55.5, 21.25], [55.75, 21.15], [56.0, 21.25], [56.25, 21.15], [56.32, 21.18], [56.47, 21.53], [56.82, 21.68], [56.85, 21.75], [56.75, 22.0], [56.97, 22.53], [57.32, 22.68], [57.35, 22.75], [57.25, 23.0], [57.47, 23.53], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.18, 23.18], [59.53, 23.03], [59.75, 22.5], [59.53, 21.97], [59.0, 21.75], [58.75, 21.85], [58.5, 21.75], [58.25, 21.85], [58.18, 21.82], [58.15, 21.75], [58.18, 21.68], [58.53, 21.53], [58.75, 21.0], [58.65, 20.75], [58.75, 20.5], [58.53, 19.97], [58.18, 19.82], [58.03, 19.47], [57.68, 19.32], [57.53, 18.97], [57.0, 18.75], [56.75, 18.85], [56.68, 18.82], [56.53, 18.47], [56.18, 18.32], [56.03, 17.97], [55.5, 17.75], [54.97, 17.97], [54.75, 18.5], [54.85, 18.75], [54.75, 19.0], [54.85, 19.25], [54.82, 19.32], [54.7, 19.38], [54.53, 18.97], [54.13, 18.8], [54.25, 18.5], [54.03, 17.97], [53.5, 17.75], [52.97, 17.97], [52.75, 18.5], [52.97, 19.03], [53.38, 19.2], [53.25, 19.5], [53.47, 20.03]]]]}, "2018-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.35, 18.25], [52.25, 18.5], [52.35, 18.75], [52.25, 19.0], [52.47, 19.53], [52.82, 19.68], [52.97, 20.03], [53.32, 20.18], [53.35, 20.25], [53.25, 20.5], [53.35, 20.75], [53.25, 21.0], [53.47, 21.53], [53.82, 21.68], [53.97, 22.03], [54.5, 22.25], [54.75, 22.15], [55.0, 22.25], [55.53, 22.03], [55.68, 21.68], [56.03, 21.53], [56.18, 21.18], [56.25, 21.15], [56.32, 21.18], [56.47, 21.53], [56.82, 21.68], [56.85, 21.75], [56.75, 22.0], [56.97, 22.53], [57.32, 22.68], [57.35, 22.75], [57.25, 23.0], [57.47, 23.53], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.18, 23.18], [59.53, 23.03], [59.75, 22.5], [59.53, 21.97], [59.0, 21.75], [58.75, 21.85], [58.5, 21.75], [58.25, 21.85], [58.18, 21.82], [58.15, 21.75], [58.18, 21.68], [58.53, 21.53], [58.75, 21.0], [58.65, 20.75], [58.75, 20.5], [58.53, 19.97], [58.18, 19.82], [58.03, 19.47], [57.68, 19.32], [57.53, 18.97], [57.0, 18.75], [56.75, 18.85], [56.68, 18.82], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [54.97, 17.47], [54.8, 17.88], [54.5, 17.75], [54.25, 17.85], [54.18, 17.82], [54.03, 17.47], [53.68, 17.32], [53.53, 16.97], [53.0, 16.75], [52.47, 16.97], [52.25, 17.5], [52.35, 17.75], [52.25, 18.0], [52.35, 18.25]]]]}, "2018-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.35, 18.25], [52.25, 18.5], [52.35, 18.75], [52.25, 19.0], [52.47, 19.53], [52.82, 19.68], [52.97, 20.03], [53.32, 20.18], [53.35, 20.25], [53.25, 20.5], [53.35, 20.75], [53.25, 21.0], [53.47, 21.53], [53.82, 21.68], [53.97, 22.03], [54.5, 22.25], [54.75, 22.15], [55.0, 22.25], [55.53, 22.03], [55.68, 21.68], [56.03, 21.53], [56.18, 21.18], [56.25, 21.15], [56.32, 21.18], [56.47, 21.53], [56.82, 21.68], [56.85, 21.75], [56.75, 22.0], [56.97, 22.53], [57.32, 22.68], [57.35, 22.75], [57.25, 23.0], [57.47, 23.53], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.15, 22.75], [59.25, 22.5], [59.03, 21.97], [58.5, 21.75], [58.25, 21.85], [58.18, 21.82], [58.15, 21.75], [58.18, 21.68], [58.53, 21.53], [58.75, 21.0], [58.65, 20.75], [58.75, 20.5], [58.53, 19.97], [58.18, 19.82], [58.03, 19.47], [57.68, 19.32], [57.53, 18.97], [57.0, 18.75], [56.75, 18.85], [56.68, 18.82], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [54.97, 17.47], [54.8, 17.88], [54.5, 17.75], [54.25, 17.85], [54.18, 17.82], [54.03, 17.47], [53.68, 17.32], [53.53, 16.97], [53.0, 16.75], [52.47, 16.97], [52.25, 17.5], [52.35, 17.75], [52.25, 18.0], [52.35, 18.25]]]]}, "2018-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.35, 18.25], [52.25, 18.5], [52.35, 18.75], [52.25, 19.0], [52.47, 19.53], [52.82, 19.68], [52.97, 20.03], [53.32, 20.18], [53.35, 20.25], [53.25, 20.5], [53.35, 20.75], [53.25, 21.0], [53.47, 21.53], [53.82, 21.68], [53.97, 22.03], [54.5, 22.25], [54.75, 22.15], [55.0, 22.25], [55.53, 22.03], [55.68, 21.68], [56.03, 21.53], [56.25, 21.0], [56.15, 20.75], [56.18, 20.68], [56.53, 20.53], [56.75, 20.0], [56.65, 19.75], [56.75, 19.5], [56.65, 19.25], [56.75, 19.0], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [54.97, 17.47], [54.8, 17.88], [54.5, 17.75], [54.25, 17.85], [54.18, 17.82], [54.03, 17.47], [53.68, 17.32], [53.53, 16.97], [53.0, 16.75], [52.47, 16.97], [52.25, 17.5], [52.35, 17.75], [52.25, 18.0], [52.35, 18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.78321879465642}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.367937506581}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.296074186162684, 36.59332619731089, 37.84404963671449, 37.87831356696557, 38.03651723051729]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.44625992876769, 38.43234553278671, 40.404959634436295, 39.961355438759426, 40.507329833438575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.206284459293946, 3.257872778665631, 3.6173836611938586, 3.511125289683142, 2.889738350627824]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9278032478434852, 5.103320668320919, 5.78321879465642, 5.085170961300719, 3.760155698554968]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.215592179284268, 1.4061549985289452, 1.774586461078274, 1.771525952586922, 1.63475843789077]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.35506917855214, 1.9645569543515786, 2.4588095895159268, 2.329541250228637, 2.036667436042066]}}